the area of rectangle get reduced by 80 sq.units if it's length reduce by 5 units and breadth increased by 2 units.if we increase the length by 2 units and decrease the breadth by 5 units the area will increase 50 units. what is length and breadth?
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Let the length = xm
and breadth = ym
Area= xy m2
according to the condition
(x-5)(y+2)= xy-80
= 2x-5y= -70........ (1)
then again according to the condition
(x+2)(y-5)= xy+50
-5x+2y= 60.......... (2)
Solve these equations and get the answer.
and breadth = ym
Area= xy m2
according to the condition
(x-5)(y+2)= xy-80
= 2x-5y= -70........ (1)
then again according to the condition
(x+2)(y-5)= xy+50
-5x+2y= 60.......... (2)
Solve these equations and get the answer.
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